Table 2.

Extrusion parameters involved in the screening and selected formulations of HMMA.

Formulation	Screw Speed (rpm)	Target Moisture Content (%)	Temperature (°C) (Zone 1–2–3–4)	Selected Trial
0% HPC (100% SPI)	500	70	40–60–80–100	√
		75		√
20% HPC	800	65	40–60–80–100	√
		70		√
		75		√
	600	75
		80
	400	75
	300	75
40% HPC	800	65	40–60–80–100	√
		70		√
		75		√
60% HPC	800	60	40–60–80–100
		62.5
		65		√
		70		√
		75		√
		65	60–80–100–120